first commit

app/Models/Tag.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace App\Models;
+
+use Database\Factories\TagFactory;
+use Illuminate\Database\Eloquent\Attributes\Fillable;
+use Illuminate\Database\Eloquent\Attributes\RouteKey;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsToMany;
+use Illuminate\Support\Str;
+
+#[Fillable(['name', 'slug'])]
+#[RouteKey('slug')]
+class Tag extends Model
+{
+    /** @use HasFactory<TagFactory> */
+    use HasFactory;
+
+    protected static function booted(): void
+    {
+        static::creating(function (Tag $tag) {
+            if (empty($tag->slug)) {
+                $tag->slug = Str::slug($tag->name);
+            }
+        });
+    }
+
+    /**
+     * @return BelongsToMany<Post, $this>
+     */
+    public function posts(): BelongsToMany
+    {
+        return $this->belongsToMany(Post::class);
+    }
+}